docs: def render(self, message=None, css_class='alert', form_contents=None,
                 status=200, title="Python OpenID Consumer Example",
                 sreg_data=None, pape_data=None):
          """Render a page."""
          self.send_response(status)
          self.pageHeader(title)
          if message:
              self.wfile.write("<div class='%s'>" % (css_class,))
              self.wfile.write(message)
              self.wfile.write("</div>")
  
          if sreg_data is not None:
              self.renderSREG(sreg_data)
  
          if pape_data is not None:
              self.renderPAPE(pape_data)
  
          self.pageFooter(form_contents)